Hitman World of Assassination x Slim Shady walkthrough: How to complete The Antithesis (kill using Marshall)

While there are multiple approaches you can take to eliminate Slim Shady in Hitman World of Assassination's The Antithesis, you can also use Marshall to kill his alter ego. If you fail in this newly added Arcade Contract, you must wait 30 minutes before starting the mission again. While completing the objective is not that difficult, the overall setting, Eminem's dialogues, and the unique ways to eliminate him are quite exceptional.

Here are the details on how to kill Slim Shady in Hitman World of Assassination, using Marshall himself.

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How to eliminate Slim Shady in Hitman World of Assassination using Marshall: The Antithesis Walkthrough

Find the doctor downstairs

Take the exit and go down the stairs (Image via IO Interactive)

When the mission starts, proceed forward and enter through the mirror. Take the right-side exit and go down the stairs on the left.

Find the doctor this way (Image via IO Interactive)

Next, continue forward, turn left, and you will find a doctor talking on his phone. Wait until he finishes speaking.

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Knock out the doctor

Use this vacuum cleaner to draw the doctor's attention (Image via IO Interactive)

When the doctor is hiding behind the wall, turn on the vacuum cleaner to draw his attention to the right.

Take out the doctor and drag him inside the room (Image via IO Interactive)

Enter the room in the opposite direction and wait for him to arrive near you. As he has his back turned, subdue him and drag him inside the room. Lastly, take the doctor's disguise. You can also hide his body inside the container.

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Reach the doctor's testing room

Go this way and get yourself searched by these guards (Image via IO Interactive)

Exit the room, turn left, take the path leading up to the right, and then turn right again to find two guards blocking the way. Go near them and select "Get Frisked" to let them search you.

Talk to the lady to get the basement key (Image via IO Interactive)

When done, proceed forward and at the end of the hallway, go left to find a lady assistant in a suit. Talk to her and get the basement key.

Get the basement key and reach the testing room (Image via IO Interactive)

Next, enter the location shown in the image to reach the testing room.

Blend in and wait for all of Slim Shady's dialogues (Image via IO Interactive)

There, blend in and wait for the Slim Shady to arrive. Afterwards, listen to all the dialogue prompts until Slim Shady tells you to study the manual and leaves the room.

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Find the manual

Enter through the mirror in this room (Image via IO Interactive)

Exit the testing room, and wait for Slim Shady's conversation with the lady assistant to end. Then, talk to her, get the items, enter the room behind her to find a mirror, and step inside it.

Go to the house's basement (Image via IO Interactive)

Next, get down the stairs and enter the basement using the key you've acquired earlier.

Go down the stairs again, proceed forward, and you will find the table with many chairs and dishes. Now, you must go through three specific mirrors to unlock a door to get the manual.

Here are the correct mirrors:

1) First mirror

First mirror's location (Image via IO Interactive)

Go to the table's right hallway and enter through the mirror. You can see the table has no dishes.

2) Second mirror

Second mirror's location (Image via IO Interactive)

Find the mirror that shows the table with no chairs and no dishes. Enter through it to progress.

3) Third mirror

Third mirror's location (Image via IO Interactive)

Lastly, go near the staircase you've used earlier, and enter through the mirror behind it. You can see an open door inside it.

Next, go through the door, proceed forward, and collect the manual from the table.

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Return to the testing room

Go through this mirror and continue forward to reach the testing room (Image via IO Interactive)

Now, exit the basement to reach upstairs, and enter through the specific mirror shown in the image. From there, move forward, go back to the testing room, sit on the chair, and wait for Slim Shady's arrival.

Push Slim Shady into the mirror (Image via IO Interactive

When he asks everyone to leave, get up, and wait for his dialogue. After a while, Marshall can be seen in the mirror. Wait for their conversation, and when Marshall tells you, "Do it," select Push to shove Slim Shady forward. Marshall will then drag him inside, and your mission will be completed.

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Find the exit

Use the same mirror you've used earlier to reach the house (Image via IO Interactive)

After successfully eliminating Slim Shady without being detected, exit the testing room and enter through the mirror, located in the room behind the lady assistant.

Exit through this door to end the mission (Image via IO Interactive)

Once there, go downstairs and exit through the main door.

With this, The Antithesis mission, where you have to eliminate Slim Shady in Hitman World of Assassination, comes to an end. You can also utilise several other approaches to kill this target.

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